Hi Lewis,
Thanks for reaching out and thank you for your recent Total Upkeep Premium purchase!
In order to unlock the functionalities of your premium plugin you must first download and install the Total Upkeep Premium plugin, and also input your BoldGrid Premium Connect Key.
The Premium Connect Key can be accessed from the “Connect Keys” section of your BoldGrid Central account.
After that follow the prompt to input your Premium Connect Key in your Total Upkeep dashboard. It can be accessed from the Total Upkeep > Premium Features section of your WordPress admin area.
I hope this helps Lewis, please let us know if there’s anything else that we can answer for you!